/**
 * This file is part of 1genia trampoline
 * Copyright (C) 2007 1genia (contact@1genia.com)
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; version 3 of the License. 
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details. 
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; see the file COPYING.TXT.  If not,
 * write to the Free Software Foundation, Inc., 51 Franklin Street,
 * Fifth Floor, Boston, MA 02110-1301, USA. 
 **/
package com.genia.toolbox.basics.bean.impl;

import com.genia.toolbox.basics.bean.Predicate;

/**
 * a {@link Predicate} that does the inversion of an existing {@link Predicate}.
 * 
 * @param <TYPE>
 *          the type of the object begin inspected
 */
public class NotPredicate<TYPE>
    implements Predicate<TYPE>
{

  /**
   * the predicates to do the disjunction for.
   */
  public transient final Predicate<TYPE> preficate;



  /**
   * constructor.
   * 
   * @param predicate
   *          the predicate to inverse
   */
  public NotPredicate(Predicate<TYPE> predicate)
  {
    this.preficate = predicate;
  }



  /**
   * evaluate the predicate on the object.
   * 
   * @param object
   *          the object to evaluate
   * @return <code>true</code> if an only if the object satisfies the
   *         predicate
   * @see com.genia.toolbox.basics.bean.Predicate#evaluate(java.lang.Object)
   */
  public boolean evaluate(TYPE object)
  {
    return !preficate.evaluate(object);
  }

}
